#818B2F
Closest named color: Khaki Green (#728639). oklch(61% 0.116 115.2), rgb(129, 139, 47).
Aa
Black text reads best on this color (5.66:1).
About this color
#818B2F is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 61%, its chroma 0.116 and its hue 115°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Khaki Green (#728639), ΔE 0.028 away. Black text reads best on it, at 5.66:1.
| Hue family | Yellows |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.116) |
| Temperature | in between |
| Nearest name | Khaki Green (#728639) |
| Black text | 5.66:1 |
| White text | 3.70:1 |
Values
| HEX | #818B2F |
| RGB | rgb(129, 139, 47) |
| HSL | hsl(67, 49%, 36%) |
| OKLCH | oklch(61% 0.116 115.2) |
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 #818B2F | 3.70:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #818B2F | 5.66:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #818B2F text on white | 3.70:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #818B2F text on black | 5.66:1 | AA | Lc -37.1 | 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
#E9EBDF
oklch(93.5% 0.016 114.4)
-
Step 200
200
#D8DCC5
oklch(88.5% 0.031 115)
-
Step 300
300
#BFC69C
oklch(81% 0.057 115.4)
-
Step 400
400
#9EA864
oklch(70.8% 0.092 115.6)
-
Step 500
500 (this color)
#818B2F
oklch(61% 0.116 115.2)
-
Step 600
600
#717B01
oklch(55.5% 0.126 115.3)
-
Step 700
700
#5F6700
oklch(49% 0.111 115)
-
Step 800
800
#4E5500
oklch(42.8% 0.097 115.1)
-
Step 900
900
#40460F
oklch(37.7% 0.076 115.5)
-
Step 950
950
#26290B
oklch(27% 0.048 114.4)
#818B2F 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) | #958423 | 0.033 |
| Deuteranopia (no green cones) | #948535 | 0.034 |
| Tritanopia (no blue cones) | #898378 | 0.101 |
| Achromatopsia (no color) | #858585 | 0.116 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818B2F
#818B2F
oklch(61% 0.116 115.2)
- #8974C1
#8974C1
oklch(61% 0.116 295.3)
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 #818B2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Khaki Green #728639 ΔE 0.028
- Camo #7F8F4E ΔE 0.029
- Olive #808000 ΔE 0.033
- Olive Drab #6B8E23 ΔE 0.034
- Swamp Green #748500 ΔE 0.035
- Drab #828344 ΔE 0.035
- Drab Green #749551 ΔE 0.036
- Dark Yellow Green #728F02 ΔE 0.037
Use #818B2F 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.