#5B8501
Closest named color: Sap Green (#5C8B15). oklch(56.4% 0.148 128.4), rgb(91, 133, 1).
Aa
Black text reads best on this color (4.80:1).
About this color
#5B8501 is a medium-dark, vivid green. In OKLCH its lightness is 56%, its chroma 0.148 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.018 away. Black text reads best on it, at 4.80:1.
| Hue family | Greens |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 4.80:1 |
| White text | 4.37:1 |
Values
| HEX | #5B8501 |
| RGB | rgb(91, 133, 1) |
| HSL | hsl(79, 99%, 26%) |
| OKLCH | oklch(56.4% 0.148 128.4) |
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 #5B8501 | 4.37:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #5B8501 | 4.80:1 | AA | Lc 34.0 | Non-text elements, placeholder text |
| #5B8501 text on white | 4.37:1 | AA large text | Lc 70.1 | Content text, not long reading |
| #5B8501 text on black | 4.80:1 | AA | Lc -31.6 | 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6EDDF
oklch(93.7% 0.02 128.7)
-
Step 200
200
#D2DEC5
oklch(88.5% 0.036 128.1)
-
Step 300
300
#B4C99C
oklch(80.8% 0.065 128.1)
-
Step 400
400
#8DAD64
oklch(70.6% 0.105 128.2)
-
Step 500
500
#709934
oklch(63.2% 0.137 128.7)
-
Step 600
600 (this color)
#5B8501
oklch(56.4% 0.148 128.4)
-
Step 700
700
#4A6E00
oklch(49.2% 0.13 128.6)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#334A0E
oklch(37.7% 0.089 128.6)
-
Step 950
950
#1E2B0B
oklch(26.9% 0.055 128.3)
#5B8501 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) | #8C7B00 | 0.074 |
| Deuteranopia (no green cones) | #867818 | 0.073 |
| Tritanopia (no blue cones) | #5F7E70 | 0.118 |
| Achromatopsia (no color) | #797979 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B8501
#5B8501
oklch(56.4% 0.148 128.4)
- #8E59B7
#8E59B7
oklch(56.3% 0.148 308.4)
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 #5B8501, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.018
- Mossy Green #638B27 ΔE 0.026
- Swamp Green #748500 ΔE 0.033
- Olive Green #677A04 ΔE 0.035
- Olive Drab #6B8E23 ΔE 0.037
- Moss Green #658B38 ΔE 0.038
- Murky Green #6C7A0E ΔE 0.039
- Dark Grass Green #388004 ΔE 0.041
Use #5B8501 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.