#81973B
Closest named color: Drab Green (#749551). oklch(64% 0.121 121.3), rgb(129, 151, 59).
Aa
Black text reads best on this color (6.42:1).
About this color
#81973B is a medium-light, moderately saturated yellow. In OKLCH its lightness is 64%, its chroma 0.121 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Drab Green (#749551), ΔE 0.028 away. Black text reads best on it, at 6.42:1.
| Hue family | Yellows |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.121) |
| Temperature | in between |
| Nearest name | Drab Green (#749551) |
| Black text | 6.42:1 |
| White text | 3.26:1 |
Values
| HEX | #81973B |
| RGB | rgb(129, 151, 59) |
| HSL | hsl(74, 44%, 41%) |
| OKLCH | oklch(64% 0.121 121.3) |
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 #81973B | 3.26:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #81973B | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #81973B text on white | 3.26:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #81973B text on black | 6.42:1 | AA | Lc -41.8 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECDF
oklch(93.6% 0.018 120.7)
-
Step 200
200
#D5DDC5
oklch(88.5% 0.033 122.1)
-
Step 300
300
#BAC79D
oklch(80.9% 0.059 121.7)
-
Step 400
400
#97AA66
oklch(70.7% 0.094 121.6)
-
Step 500
500 (this color)
#81973B
oklch(64% 0.121 121.3)
-
Step 600
600
#687E07
oklch(55.6% 0.131 121.2)
-
Step 700
700
#576A00
oklch(49.1% 0.118 121.1)
-
Step 800
800
#475703
oklch(42.8% 0.101 121.3)
-
Step 900
900
#3B4810
oklch(37.8% 0.08 121.7)
-
Step 950
950
#232A0C
oklch(27% 0.049 120.8)
#81973B 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) | #A08F31 | 0.047 |
| Deuteranopia (no green cones) | #9D8E41 | 0.049 |
| Tritanopia (no blue cones) | #879083 | 0.100 |
| Achromatopsia (no color) | #8E8E8E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #81973B
#81973B
oklch(64% 0.121 121.3)
- #9979C9
#9979C9
oklch(63.9% 0.121 301.5)
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 #81973B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Drab Green #749551 ΔE 0.028
- Moss #769958 ΔE 0.030
- Flat Green #699D4C ΔE 0.031
- Camo #7F8F4E ΔE 0.035
- Pea Soup #929901 ΔE 0.035
- Off Green #6BA353 ΔE 0.039
- Muted Green #5FA052 ΔE 0.042
- Dark Yellow Green #728F02 ΔE 0.044
Use #81973B 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.