#858A21
Closest named color: Olive (#808000). oklch(61% 0.123 112.3), rgb(133, 138, 33).
Aa
Black text reads best on this color (5.65:1).
About this color
#858A21 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 61%, its chroma 0.123 and its hue 112°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive (#808000), ΔE 0.030 away. Black text reads best on it, at 5.65:1.
| Hue family | Yellows |
| Lightness | medium-dark (61%) |
| Chroma | moderately saturated (0.123) |
| Temperature | in between |
| Nearest name | Olive (#808000) |
| Black text | 5.65:1 |
| White text | 3.71:1 |
Values
| HEX | #858A21 |
| RGB | rgb(133, 138, 33) |
| HSL | hsl(63, 61%, 34%) |
| OKLCH | oklch(61% 0.123 112.3) |
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 #858A21 | 3.71:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #858A21 | 5.65:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #858A21 text on white | 3.71:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #858A21 text on black | 5.65:1 | 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
#EAEBDE
oklch(93.6% 0.017 110.3)
-
Step 200
200
#D9DCC3
oklch(88.5% 0.034 112.6)
-
Step 300
300
#C1C599
oklch(80.9% 0.059 111.9)
-
Step 400
400
#A1A75E
oklch(70.7% 0.097 112.7)
-
Step 500
500 (this color)
#858A21
oklch(61% 0.123 112.3)
-
Step 600
600
#757A00
oklch(55.6% 0.124 112.6)
-
Step 700
700
#626600
oklch(49% 0.109 112.4)
-
Step 800
800
#505400
oklch(42.8% 0.095 112.9)
-
Step 900
900
#434505
oklch(37.6% 0.08 111.6)
-
Step 950
950
#272907
oklch(27.1% 0.052 112.6)
#858A21 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) | #958309 | 0.028 |
| Deuteranopia (no green cones) | #95862A | 0.029 |
| Tritanopia (no blue cones) | #8E8176 | 0.110 |
| Achromatopsia (no color) | #858585 | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #858A21
#858A21
oklch(61% 0.123 112.3)
- #8674C6
#8674C6
oklch(61% 0.122 292.5)
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 #858A21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive #808000 ΔE 0.030
- Swamp Green #748500 ΔE 0.033
- Khaki Green #728639 ΔE 0.035
- Dark Yellow Green #728F02 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.036
- Camo #7F8F4E ΔE 0.037
- Drab #828344 ΔE 0.041
- Moss Green #658B38 ΔE 0.043
Use #858A21 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.