cyancoolCC0 survey name

Bright Aqua #0BF9EA

Bright Aqua is a mid-tone, vivid cool color (#0BF9EA; HSL 176° 95% 51%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “bright aqua”.

Use cases: Fresh accents · Aquatic themes

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Families: Cyans · Teals · Turquoise Colors

Color values

FormatValue
HEX#0BF9EA
RGBrgb(11, 249, 234)
HSLhsl(176, 95%, 51%)
HSVhsv(176, 96%, 98%)
OKLCHoklch(88.47% 0.154 187)
OKLaboklab(88.47% -0.1525 -0.0188)
CMYKcmyk(95.6%, 0%, 6%, 2.4%)
XYZxyz(48.8576, 73.7565, 89.4873)
CIE-LABlab(88.8, -51.2, -6.6)
CIE-LCHlch(88.8, 51.7, 187.4°)
Luminance0.738 (WCAG relative)
/* Bright Aqua */ --bright-aqua: #0bf9ea; color: #0bf9ea; background-color: #0bf9ea;

Source: xkcd color survey name (public domain, CC0). CSS keyword: brightaqua.

Collections: Vibrant Colors · Neon Colors · Tropical Colors

Shade scale

Perceptual 50–950 scale, interpolated in CIE-LAB. Step 500 is the base color. Edit in the shade generator →

50
100
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500
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800
900
950

OKLCH ramp (perceptually uniform, modern CSS)

50
100
200
300
400
500
600
700
800
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950

Shades (toward black)

#1bddd0 #22c2b6 #25a79d #258e85 #24756e #215d57 #1d4642 #17302d #111b1a #000000

Tints (toward white)

#4ffaec #6ffbee #87fcf0 #9dfdf2 #affdf4 #c1fef6 #d1fef9 #e1fffb #f0fffd #ffffff

Tones (toward gray)

#4bf7e9 #68f5e8 #7df2e7 #90f0e6 #a0ede4 #aeebe3 #bce8e2 #c8e5e1 #d4e2e0 #dfdfdf

Color harmonies

Complementary

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#0BF9EA
#F90B1A
#0bf9ea #f90b1a

Analogous

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#0BF973
#0BF9EA
#0B91F9
#0bf973 #0bf9ea #0b91f9

Triadic

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#0BF9EA
#EA0BF9
#F9EA0B
#0bf9ea #ea0bf9 #f9ea0b

Tetradic

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#0BF9EA
#730BF9
#F90B1A
#91F90B
#0bf9ea #730bf9 #f90b1a #91f90b

Square

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#0BF9EA
#730BF9
#F90B1A
#91F90B
#0bf9ea #730bf9 #f90b1a #91f90b

Split Complementary

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#0BF9EA
#F90B91
#F9730B
#0bf9ea #f90b91 #f9730b

Monochromatic

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#03867E
#05C2B6
#0BF9EA
#47FAEF
#82FCF4
#03867e #05c2b6 #0bf9ea #47faef #82fcf4

Accessibility & contrast

1.33
#0BF9EA on #FFFFFF
AA text ✗AA large ✗AAA text ✗UI 3:1 ✗
15.75
#0BF9EA on #000000
AA text ✓AA large ✓AAA text ✓UI 3:1 ✓

Best text on bright aqua

15.75
#000000 text

WCAG 2.1: AA needs ≥4.5:1 for normal text, ≥3:1 for large text and UI components; AAA needs ≥7:1 / ≥4.5:1. Open the contrast checker →

Color blindness preview

Simulation using the Machado et al. (2009) physiological model, severity 1.0. This is an approximation of perception — not a medical assessment.

Normal vision
Protanopia (red-blind)
#EBEBEA
Deuteranopia (green-blind)
#D0D7EC
Tritanopia (blue-blind)
#00FFF4

Closest named colors

Nearest matches by CIEDE2000 perceptual distance (ΔE₀₀) across the full color database.

ColorNameΔE₀₀
Bright Turquoise #0FFEF93.32
Aqua #00FFFF4.87
Bright Cyan #41FDFE5.40
Turquoise #40E0D05.59
Tiffany Blue #7BF2DA5.97
Light Aqua #8CFFDB9.11

Colors that go with bright aqua

Top matches by hue harmony, contrast and saturation compatibility.

Spruce #0A5F38
5.8:1
Analogous hue (Δh ≈24°) — neighbors on the color wheel
Denim #1560BD
4.6:1
Analogous hue (Δh ≈37°) — neighbors on the color wheel
Olive #808000
3.1:1
Triadic harmony (Δh ≈116°) — balanced three-way contrast
Deep Magenta #A0025C
5.9:1
Split-complementary angle (Δh ≈150°) — strong but softer than direct complement
Maroon #800000
8.2:1
Complementary hue (Δh ≈176°) — maximum hue contrast

Values computed from the sRGB color model. CMYK is the naive sRGB conversion without an ICC profile. RGB percentages may differ between color-managed applications.