cyancoolCC0 survey name

Robin'S Egg #6DEDFD

Robin'S Egg is a light, vivid cool color (#6DEDFD; HSL 187° 97% 71%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “robin's egg”.

Use cases: Fresh accents · Aquatic themes

Open in generator →

Families: Cyans · Teals · Turquoise Colors · Aqua Colors

Color values

FormatValue
HEX#6DEDFD
RGBrgb(109, 237, 253)
HSLhsl(187, 97%, 71%)
HSVhsv(187, 57%, 99%)
OKLCHoklch(87.98% 0.115 206.4)
OKLaboklab(87.98% -0.1028 -0.0511)
CMYKcmyk(56.9%, 6.3%, 0%, 0.8%)
XYZxyz(54.3132, 70.906, 103.7334)
CIE-LABlab(87.4, -30.9, -18.5)
CIE-LCHlch(87.4, 36.0, 210.8°)
Luminance0.709 (WCAG relative)
/* Robin'S Egg */ --robin-s-egg: #6dedfd; color: #6dedfd; background-color: #6dedfd;

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

Collections: Light Blue Shades · 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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950

OKLCH ramp (perceptually uniform, modern CSS)

50
100
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500
600
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950

Shades (toward black)

#63d3e1 #59b9c5 #4f9faa #45878f #3b6f76 #31585e #274246 #1d2e30 #131a1b #000000

Tints (toward white)

#81effd #93f1fd #a3f3fe #b2f5fe #c0f7fe #cef8fe #dbfafe #e7fcff #f3fdff #ffffff

Tones (toward gray)

#7eebfa #8ceaf6 #98e8f3 #a4e6ef #afe5ec #b9e3e9 #c2e1e5 #cbdfe2 #d3ddde #dbdbdb

Color harmonies

Complementary

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#6DEDFD
#FD7D6D
#6dedfd #fd7d6d

Analogous

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#6DFDC5
#6DEDFD
#6DA5FD
#6dfdc5 #6dedfd #6da5fd

Triadic

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#6DEDFD
#FD6DED
#EDFD6D
#6dedfd #fd6ded #edfd6d

Tetradic

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#6DEDFD
#C56DFD
#FD7D6D
#A5FD6D
#6dedfd #c56dfd #fd7d6d #a5fd6d

Square

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#6DEDFD
#C56DFD
#FD7D6D
#A5FD6D
#6dedfd #c56dfd #fd7d6d #a5fd6d

Split Complementary

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#6DEDFD
#FD6DA5
#FDC56D
#6dedfd #fd6da5 #fdc56d

Monochromatic

Edit in generator →
#03D2EC
#31E6FC
#6DEDFD
#A9F4FE
#E1FBFF
#03d2ec #31e6fc #6dedfd #a9f4fe #e1fbff

Accessibility & contrast

1.38
#6DEDFD on #FFFFFF
AA text AA large AAA text UI 3:1
15.18
#6DEDFD on #000000
AA text AA large AAA text UI 3:1

Best text on robin's egg

15.18
#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)
#DCE5FE
Deuteranopia (green-blind)
#C5D4FD
Tritanopia (blue-blind)
#00F6F2

Closest named colors

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

ColorNameΔE₀₀
Aqua Blue #02D8E96.14
Bright Cyan #41FDFE7.16
Neon Blue #04D9FF7.75
Paleturquoise #AFEEEE8.12
Aqua #00FFFF8.24
Light Cyan #ACFFFC8.42

Colors that go with robin's egg

Top matches by hue harmony, contrast and saturation compatibility.

Petrol #005F6A
5.3:1
Same hue family as robin's egg (Δh 0°) — guaranteed harmony
Navy Blue #1B2A4A
10.3:1
Analogous hue (Δh ≈34°) — neighbors on the color wheel
Cream #FFFDD0
1.3:1
Triadic harmony (Δh ≈129°) — balanced three-way contrast
Khaki #C3B091
1.5:1
Split-complementary angle (Δh ≈149°) — strong but softer than direct complement
Reddy Brown #6E1005
8.7:1
Complementary hue (Δh ≈180°) — 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.