#999031
Closest named color: Dark Mustard (#A88905). oklch(64.3% 0.115 103.9), rgb(153, 144, 49).
Aa
Black text reads best on this color (6.38:1).
About this color
#999031 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 64%, its chroma 0.115 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Mustard (#A88905), ΔE 0.029 away. Black text reads best on it, at 6.38:1.
| Hue family | Yellows |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.115) |
| Temperature | warm |
| Nearest name | Dark Mustard (#A88905) |
| Black text | 6.38:1 |
| White text | 3.28:1 |
Values
| HEX | #999031 |
| RGB | rgb(153, 144, 49) |
| HSL | hsl(55, 51%, 40%) |
| OKLCH | oklch(64.3% 0.115 103.9) |
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 #999031 | 3.28:1 | AA large text | Lc -65.6 | Content text, not long reading |
| Black text on #999031 | 6.38:1 | AA | Lc 43.9 | Non-text elements, placeholder text |
| #999031 text on white | 3.28:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #999031 text on black | 6.38:1 | AA | Lc -41.6 | Non-text elements, placeholder text |
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
#EBEBDE
oklch(93.7% 0.017 106.7)
-
Step 200
200
#DCDBC3
oklch(88.6% 0.032 105.1)
-
Step 300
300
#C6C399
oklch(80.9% 0.056 104.2)
-
Step 400
400
#AAA45F
oklch(70.8% 0.091 104.1)
-
Step 500
500 (this color)
#999031
oklch(64.3% 0.115 103.9)
-
Step 600
600
#7F7600
oklch(55.6% 0.118 104.3)
-
Step 700
700
#6B6300
oklch(49.2% 0.104 104)
-
Step 800
800
#585100
oklch(42.8% 0.09 103.8)
-
Step 900
900
#484307
oklch(37.6% 0.075 104.3)
-
Step 950
950
#2A2708
oklch(26.8% 0.047 103.8)
#999031 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) | #9D8B24 | 0.014 |
| Deuteranopia (no green cones) | #A09037 | 0.013 |
| Tritanopia (no blue cones) | #A4867D | 0.106 |
| Achromatopsia (no color) | #8E8E8E | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999031
#999031
oklch(64.3% 0.115 103.9)
- #8583D0
#8583D0
oklch(64.4% 0.114 283.9)
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 #999031, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Mustard #A88905 ΔE 0.029
- Yellowy Brown #AE8B0C ΔE 0.034
- Pea Soup #929901 ΔE 0.039
- Camo #7F8F4E ΔE 0.043
- Dark Gold #B59410 ΔE 0.047
- Brown Yellow #B29705 ΔE 0.048
- Dark Sand #A88F59 ΔE 0.051
- Mustard Brown #AC7E04 ΔE 0.051
Use #999031 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.