#817A18
Closest named color: Olive (#808000). oklch(56.8% 0.112 105.1), rgb(129, 122, 24).
Aa
Black text reads best on this color (4.73:1).
About this color
#817A18 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 57%, its chroma 0.112 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Olive (#808000), ΔE 0.021 away. Black text reads best on it, at 4.73:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.112) |
| Temperature | warm |
| Nearest name | Olive (#808000) |
| Black text | 4.73:1 |
| White text | 4.43:1 |
Values
| HEX | #817A18 |
| RGB | rgb(129, 122, 24) |
| HSL | hsl(56, 69%, 30%) |
| OKLCH | oklch(56.8% 0.112 105.1) |
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 #817A18 | 4.43:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #817A18 | 4.73:1 | AA | Lc 33.4 | Non-text elements, placeholder text |
| #817A18 text on white | 4.43:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #817A18 text on black | 4.73:1 | AA | Lc -31.0 | 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 600.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEBE0
oklch(93.7% 0.015 106.7)
-
Step 200
200
#DBDBC6
oklch(88.6% 0.028 107)
-
Step 300
300
#C5C39E
oklch(80.9% 0.05 104.9)
-
Step 400
400
#A8A467
oklch(70.8% 0.082 105.1)
-
Step 500
500
#938D3B
oklch(63.2% 0.104 105.1)
-
Step 600
600 (this color)
#817A18
oklch(56.8% 0.112 105.1)
-
Step 700
700
#6A6300
oklch(49.1% 0.104 104.8)
-
Step 800
800
#565108
oklch(42.7% 0.087 105.2)
-
Step 900
900
#474313
oklch(37.6% 0.067 104.5)
-
Step 950
950
#29280D
oklch(27.1% 0.043 107)
#817A18 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) | #857500 | 0.014 |
| Deuteranopia (no green cones) | #887920 | 0.014 |
| Tritanopia (no blue cones) | #8B7168 | 0.103 |
| Achromatopsia (no color) | #787878 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #817A18
#817A18
oklch(56.8% 0.112 105.1)
- #716CB6
#716CB6
oklch(56.8% 0.112 285.3)
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 #817A18, closest first.
No curated palette has a color within ΔE 0.04 of #817A18.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive #808000 ΔE 0.021
- Hazel #8E7618 ΔE 0.023
- Murky Green #6C7A0E ΔE 0.034
- Khaki Green #728639 ΔE 0.037
- Drab #828344 ΔE 0.038
- Swamp Green #748500 ΔE 0.039
- Swamp #698339 ΔE 0.040
- Olive Green #677A04 ΔE 0.042
Use #817A18 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.