#6C901B
Closest named color: Olive Drab (#6B8E23). oklch(60.5% 0.144 126.1), rgb(108, 144, 27).
Aa
Black text reads best on this color (5.64:1).
About this color
#6C901B is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.144 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.008 away. Black text reads best on it, at 5.64:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.144) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #6C901B |
| RGB | rgb(108, 144, 27) |
| HSL | hsl(78, 68%, 34%) |
| OKLCH | oklch(60.5% 0.144 126.1) |
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 #6C901B | 3.72:1 | AA large text | Lc -70.1 | Content text, not long reading |
| Black text on #6C901B | 5.64:1 | AA | Lc 39.5 | Non-text elements, placeholder text |
| #6C901B text on white | 3.72:1 | AA large text | Lc 64.6 | Content text, not long reading |
| #6C901B text on black | 5.64:1 | 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6EDDE
oklch(93.7% 0.021 127.4)
-
Step 200
200
#D2DEC3
oklch(88.4% 0.038 126.8)
-
Step 300
300
#B5C998
oklch(80.8% 0.07 126)
-
Step 400
400
#8FAD5D
oklch(70.7% 0.112 126)
-
Step 500
500 (this color)
#6C901B
oklch(60.5% 0.144 126.1)
-
Step 600
600
#5E8100
oklch(55.6% 0.142 126.3)
-
Step 700
700
#4F6C00
oklch(49% 0.125 125.9)
-
Step 800
800
#405900
oklch(42.8% 0.109 126.1)
-
Step 900
900
#354A03
oklch(37.8% 0.094 126.2)
-
Step 950
950
#1F2B07
oklch(26.9% 0.059 126)
#6C901B 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) | #988600 | 0.065 |
| Deuteranopia (no green cones) | #938428 | 0.066 |
| Tritanopia (no blue cones) | #71897B | 0.117 |
| Achromatopsia (no color) | #848484 | 0.144 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #6C901B
#6C901B
oklch(60.5% 0.144 126.1)
- #9768C5
#9768C5
oklch(60.5% 0.144 305.9)
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 #6C901B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.008
- Dark Yellow Green #728F02 ΔE 0.009
- Mossy Green #638B27 ΔE 0.021
- Sap Green #5C8B15 ΔE 0.026
- Moss Green #658B38 ΔE 0.029
- Swamp Green #748500 ΔE 0.030
- Fern Green #548D44 ΔE 0.042
- Khaki Green #728639 ΔE 0.043
Use #6C901B 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.