#81850B
Closest named color: Olive (#808000). oklch(59.4% 0.128 111.9), rgb(129, 133, 11).
Aa
Black text reads best on this color (5.29:1).
About this color
#81850B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 59%, its chroma 0.128 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive (#808000), ΔE 0.014 away. Black text reads best on it, at 5.29:1.
| Hue family | Yellows |
| Lightness | medium-dark (59%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Olive (#808000) |
| Black text | 5.29:1 |
| White text | 3.96:1 |
Values
| HEX | #81850B |
| RGB | rgb(129, 133, 11) |
| HSL | hsl(62, 85%, 28%) |
| OKLCH | oklch(59.4% 0.128 111.9) |
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 #81850B | 3.96:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #81850B | 5.29:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #81850B text on white | 3.96:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #81850B text on black | 5.29:1 | AA | Lc -34.8 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#EAEBDE
oklch(93.6% 0.017 110.3)
-
Step 200
200
#D9DCC2
oklch(88.5% 0.035 112.5)
-
Step 300
300
#C1C597
oklch(80.9% 0.062 111.8)
-
Step 400
400
#A2A75A
oklch(70.7% 0.101 112)
-
Step 500
500 (this color)
#81850B
oklch(59.4% 0.128 111.9)
-
Step 600
600
#767A00
oklch(55.7% 0.123 112.1)
-
Step 700
700
#636600
oklch(49.1% 0.109 111.8)
-
Step 800
800
#515300
oklch(42.6% 0.094 111.4)
-
Step 900
900
#434500
oklch(37.6% 0.083 111.6)
-
Step 950
950
#272905
oklch(27% 0.054 112.6)
#81850B 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) | #907E00 | 0.028 |
| Deuteranopia (no green cones) | #91811B | 0.029 |
| Tritanopia (no blue cones) | #8B7C71 | 0.115 |
| Achromatopsia (no color) | #808080 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81850B
#81850B
oklch(59.4% 0.128 111.9)
- #816EC4
#816EC4
oklch(59.4% 0.129 292.2)
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 #81850B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive #808000 ΔE 0.014
- Swamp Green #748500 ΔE 0.020
- Khaki Green #728639 ΔE 0.031
- Dark Yellow Green #728F02 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.035
- Mossy Green #638B27 ΔE 0.040
- Moss Green #658B38 ΔE 0.040
- Swamp #698339 ΔE 0.042
Use #81850B 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.