#878401
Closest named color: Olive (#808000). oklch(59.6% 0.128 108.1), rgb(135, 132, 1).
Aa
Black text reads best on this color (5.33:1).
About this color
#878401 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 60%, its chroma 0.128 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive (#808000), ΔE 0.016 away. Black text reads best on it, at 5.33:1.
| Hue family | Yellows |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Olive (#808000) |
| Black text | 5.33:1 |
| White text | 3.93:1 |
Values
| HEX | #878401 |
| RGB | rgb(135, 132, 1) |
| HSL | hsl(59, 99%, 27%) |
| OKLCH | oklch(59.6% 0.128 108.1) |
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 #878401 | 3.93:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #878401 | 5.33:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #878401 text on white | 3.93:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #878401 text on black | 5.33:1 | AA | Lc -35.1 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEBDD
oklch(93.6% 0.019 106.8)
-
Step 200
200
#DBDBC1
oklch(88.5% 0.035 107.1)
-
Step 300
300
#C4C495
oklch(80.9% 0.063 107.7)
-
Step 400
400
#A6A558
oklch(70.6% 0.1 108)
-
Step 500
500 (this color)
#878401
oklch(59.6% 0.128 108.1)
-
Step 600
600
#7A7800
oklch(55.6% 0.12 108.6)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#545200
oklch(42.7% 0.092 108.1)
-
Step 900
900
#464400
oklch(37.6% 0.081 107.8)
-
Step 950
950
#292804
oklch(27% 0.053 107.9)
#878401 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 | 0.021 |
| Deuteranopia (no green cones) | #928215 | 0.021 |
| Tritanopia (no blue cones) | #927A70 | 0.118 |
| Achromatopsia (no color) | #808080 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #878401
#878401
oklch(59.6% 0.128 108.1)
- #7C71C7
#7C71C7
oklch(59.7% 0.129 287.7)
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 #878401, closest first.
No curated palette has a color within ΔE 0.04 of #878401.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive #808000 ΔE 0.016
- Swamp Green #748500 ΔE 0.028
- Khaki Green #728639 ΔE 0.037
- Dark Yellow Green #728F02 ΔE 0.041
- Olive Drab #6B8E23 ΔE 0.043
- Hazel #8E7618 ΔE 0.043
- Drab #828344 ΔE 0.043
- Moss Green #658B38 ΔE 0.048
Use #878401 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.