greenwarmCC0 survey name

Bright Olive #9CBB04

Bright Olive is a mid-tone, vivid warm color (#9CBB04; HSL 70° 96% 37%). Name from the public-domain xkcd color survey (CC0), where it was contributed as “bright olive”.

Use cases: Success states · Nature brands

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Families: Greens · Olive Colors

Color values

FormatValue
HEX#9CBB04
RGBrgb(156, 187, 4)
HSLhsl(70, 96%, 37%)
HSVhsv(70, 98%, 73%)
OKLCHoklch(74.23% 0.177 120.9)
OKLaboklab(74.23% -0.091 0.152)
CMYKcmyk(16.6%, 0%, 97.9%, 26.7%)
XYZxyz(31.5032, 42.6174, 6.6812)
CIE-LABlab(71.3, -30.2, 71.6)
CIE-LCHlch(71.3, 77.7, 112.9°)
Luminance0.426 (WCAG relative)
/* Bright Olive */ --bright-olive: #9cbb04; color: #9cbb04; background-color: #9cbb04;

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

Collections: Olive Green Colors · Jewel Tone Colors

Shade scale

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

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950

OKLCH ramp (perceptually uniform, modern CSS)

50
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950

Shades (toward black)

#8ba60d #7b9212 #6b7f14 #5c6c15 #4d5915 #3e4714 #303612 #23260f #161708 #000000

Tints (toward white)

#a8c233 #b3c84d #becf65 #c8d67b #d2dd91 #dce3a7 #e5eabd #eef1d3 #f7f8e9 #ffffff

Tones (toward gray)

#a0ba2a #a3b93e #a6b74f #a8b65e #aab56c #acb47a #adb287 #aeb194 #afb0a2 #afafaf

Color harmonies

Complementary

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#9CBB04
#2304BB
#9cbb04 #2304bb

Analogous

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#BB7F04
#9CBB04
#40BB04
#bb7f04 #9cbb04 #40bb04

Triadic

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#9CBB04
#049CBB
#BB049C
#9cbb04 #049cbb #bb049c

Tetradic

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#9CBB04
#04BB7F
#2304BB
#BB0440
#9cbb04 #04bb7f #2304bb #bb0440

Square

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#9CBB04
#04BB7F
#2304BB
#BB0440
#9cbb04 #04bb7f #2304bb #bb0440

Split Complementary

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#9CBB04
#0440BB
#7F04BB
#9cbb04 #0440bb #7f04bb

Monochromatic

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#384301
#6A7F03
#9CBB04
#CEF705
#DBFB3F
#384301 #6a7f03 #9cbb04 #cef705 #dbfb3f

Accessibility & contrast

2.21
#9CBB04 on #FFFFFF
AA text AA large AAA text UI 3:1
9.52
#9CBB04 on #000000
AA text AA large AAA text UI 3:1

Best text on bright olive

9.52
#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)
#C7AF00
Deuteranopia (green-blind)
#C4AF25
Tritanopia (blue-blind)
#A6B09F

Closest named colors

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

ColorNameΔE₀₀
Pea #A4BF201.58
Mustard Green #A8B5043.79
Dark Lime #84B7014.29
Icky Green #8FAE224.38
Pea Green #8EAB124.71
Slime Green #99CC044.86

Colors that go with bright olive

Top matches by hue harmony, contrast and saturation compatibility.

Beige #F5F5DC
2.0:1
Same hue family as bright olive (Δh 10°) — guaranteed harmony
Burnt Red #9F2305
3.5:1
Warm/cool bridge (Δh 58°) — adds depth without tension
Purplish Red #B0054B
3.2:1
UI contrast with the anchor (3.21:1, passes AA large text)
Indigo #4B0082
5.9:1
Split-complementary angle (Δh ≈156°) — strong but softer than direct complement
Indigo Blue #3A18B1
4.9:1
Complementary hue (Δh ≈177°) — 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.