#999940
Closest named color: Pea Soup (#929901). oklch(66.5% 0.112 109.1), rgb(153, 153, 64).
Aa
Black text reads best on this color (6.98:1).
About this color
#999940 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 66%, its chroma 0.112 and its hue 109°. Its hue sits on the warm side of the wheel. The nearest named color is Pea Soup (#929901), ΔE 0.036 away. Black text reads best on it, at 6.98:1.
| Hue family | Yellows |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Pea Soup (#929901) |
| Black text | 6.98:1 |
| White text | 3.00:1 |
Values
| HEX | #999940 |
| RGB | rgb(153, 153, 64) |
| HSL | hsl(60, 41%, 43%) |
| OKLCH | oklch(66.5% 0.112 109.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #999940 | 3.00:1 | AA large text | Lc -62.1 | Content text, not long reading |
| Black text on #999940 | 6.98:1 | AA | Lc 47.4 | Large or bold text, headings |
| #999940 text on white | 3.00:1 | AA large text | Lc 56.7 | Large or bold text, headings |
| #999940 text on black | 6.98:1 | AA | Lc -45.1 | Large or bold text, headings |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EAEBDF
oklch(93.6% 0.016 110.6)
-
Step 200
200
#DADBC4
oklch(88.4% 0.031 109)
-
Step 300
300
#C3C49C
oklch(80.9% 0.054 108.7)
-
Step 400
400
#A4A564
oklch(70.6% 0.087 109.2)
-
Step 500
500 (this color)
#999940
oklch(66.5% 0.112 109.1)
-
Step 600
600
#797800
oklch(55.5% 0.121 109.2)
-
Step 700
700
#666500
oklch(49.1% 0.107 109.1)
-
Step 800
800
#535200
oklch(42.6% 0.092 108.9)
-
Step 900
900
#45440E
oklch(37.6% 0.072 108.4)
-
Step 950
950
#28280B
oklch(26.9% 0.046 109.1)
#999940 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #A49336 | 0.021 |
| Deuteranopia (no green cones) | #A69645 | 0.023 |
| Tritanopia (no blue cones) | #A39086 | 0.101 |
| Achromatopsia (no color) | #959595 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999940
#999940
oklch(66.5% 0.112 109.1)
- #9288D4
#9288D4
oklch(66.6% 0.111 289)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #999940, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup #929901 ΔE 0.036
- Brown Yellow #B29705 ΔE 0.042
- Dark Gold #B59410 ΔE 0.045
- Yellowy Brown #AE8B0C ΔE 0.046
- Dark Mustard #A88905 ΔE 0.046
- Yellow Brown #B79400 ΔE 0.048
- Moss #769958 ΔE 0.049
- Dark Sand #A88F59 ΔE 0.051
Use #999940 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.