#818F2B
Closest named color: Dark Yellow Green (#728F02). oklch(61.9% 0.124 117), rgb(129, 143, 43).
Aa
Black text reads best on this color (5.89:1).
About this color
#818F2B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 62%, its chroma 0.124 and its hue 117°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Yellow Green (#728F02), ΔE 0.031 away. Black text reads best on it, at 5.89:1.
| Hue family | Yellows |
| Lightness | medium-dark (62%) |
| Chroma | moderately saturated (0.124) |
| Temperature | in between |
| Nearest name | Dark Yellow Green (#728F02) |
| Black text | 5.89:1 |
| White text | 3.56:1 |
Values
| HEX | #818F2B |
| RGB | rgb(129, 143, 43) |
| HSL | hsl(68, 54%, 36%) |
| OKLCH | oklch(61.9% 0.124 117) |
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 #818F2B | 3.56:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #818F2B | 5.89:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #818F2B text on white | 3.56:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #818F2B text on black | 5.89:1 | AA | Lc -38.6 | 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
#F5F6F0
oklch(97.1% 0.008 114.2)
-
Step 100
100
#E9ECDF
oklch(93.7% 0.018 117.3)
-
Step 200
200
#D7DCC4
oklch(88.4% 0.033 116.6)
-
Step 300
300
#BDC69A
oklch(80.8% 0.06 117.2)
-
Step 400
400
#9CA961
oklch(70.8% 0.097 117.3)
-
Step 500
500 (this color)
#818F2B
oklch(61.9% 0.124 117)
-
Step 600
600
#6F7C00
oklch(55.6% 0.128 116.8)
-
Step 700
700
#5D6800
oklch(49.1% 0.113 116.8)
-
Step 800
800
#4C5500
oklch(42.7% 0.098 116.6)
-
Step 900
900
#3F470A
oklch(37.8% 0.081 117.1)
-
Step 950
950
#252909
oklch(26.9% 0.05 115.9)
#818F2B 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) | #99871C | 0.039 |
| Deuteranopia (no green cones) | #978833 | 0.040 |
| Tritanopia (no blue cones) | #89877B | 0.107 |
| Achromatopsia (no color) | #888888 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818F2B
#818F2B
oklch(61.9% 0.124 117)
- #8E74C7
#8E74C7
oklch(61.8% 0.125 297)
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 #818F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow Green #728F02 ΔE 0.031
- Olive Drab #6B8E23 ΔE 0.032
- Camo #7F8F4E ΔE 0.033
- Drab Green #749551 ΔE 0.035
- Khaki Green #728639 ΔE 0.038
- Swamp Green #748500 ΔE 0.039
- Moss Green #658B38 ΔE 0.040
- Olive #808000 ΔE 0.042
Use #818F2B 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.