#A09900
Closest named color: Pea Soup (#929901). oklch(66.7% 0.143 106.4), rgb(160, 153, 0).
Aa
Black text reads best on this color (7.05:1).
About this color
#A09900 is a medium-light, vivid yellow. In OKLCH its lightness is 67%, its chroma 0.143 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Pea Soup (#929901), ΔE 0.021 away. Black text reads best on it, at 7.05:1.
| Hue family | Yellows |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.143) |
| Temperature | warm |
| Nearest name | Pea Soup (#929901) |
| Black text | 7.05:1 |
| White text | 2.97:1 |
Values
| HEX | #A09900 |
| RGB | rgb(160, 153, 0) |
| HSL | hsl(57, 100%, 31%) |
| OKLCH | oklch(66.7% 0.143 106.4) |
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 #A09900 | 2.97:1 | Fails | Lc -61.5 | Content text, not long reading |
| Black text on #A09900 | 7.05:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #A09900 text on white | 2.97:1 | Fails | Lc 56.2 | Large or bold text, headings |
| #A09900 text on black | 7.05:1 | AAA | Lc -45.6 | 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
#F6F6EF
oklch(97.1% 0.009 106.6)
-
Step 100
100
#EBEBDC
oklch(93.6% 0.02 106.8)
-
Step 200
200
#DCDBBE
oklch(88.5% 0.039 105.5)
-
Step 300
300
#C6C490
oklch(80.9% 0.069 106)
-
Step 400
400
#A9A54C
oklch(70.7% 0.112 106.6)
-
Step 500
500 (this color)
#A09900
oklch(66.7% 0.143 106.4)
-
Step 600
600
#7C7700
oklch(55.6% 0.119 106.8)
-
Step 700
700
#696400
oklch(49.2% 0.105 106.3)
-
Step 800
800
#565200
oklch(42.9% 0.092 106.4)
-
Step 900
900
#474400
oklch(37.7% 0.081 106.8)
-
Step 950
950
#2A2800
oklch(27% 0.058 106.8)
#A09900 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) | #A79300 | 0.019 |
| Deuteranopia (no green cones) | #AA9819 | 0.019 |
| Tritanopia (no blue cones) | #AD8E82 | 0.130 |
| Achromatopsia (no color) | #959595 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A09900
#A09900
oklch(66.7% 0.143 106.4)
- #8F85E7
#8F85E7
oklch(66.8% 0.142 286.5)
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 #A09900, closest first.
No curated palette has a color within ΔE 0.04 of #A09900.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pea Soup #929901 ΔE 0.021
- Brown Yellow #B29705 ΔE 0.029
- Dark Gold #B59410 ΔE 0.036
- Pea Soup Green #94A617 ΔE 0.036
- Yellow Brown #B79400 ΔE 0.038
- Yellowy Brown #AE8B0C ΔE 0.043
- Dark Mustard #A88905 ΔE 0.044
- Ocher #BF9B0C ΔE 0.050
Use #A09900 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.