#5B9101
Closest named color: Sap Green (#5C8B15). oklch(59.6% 0.162 131), rgb(91, 145, 1).
Aa
Black text reads best on this color (5.49:1).
About this color
#5B9101 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.162 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.020 away. Black text reads best on it, at 5.49:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.49:1 |
| White text | 3.82:1 |
Values
| HEX | #5B9101 |
| RGB | rgb(91, 145, 1) |
| HSL | hsl(83, 99%, 29%) |
| OKLCH | oklch(59.6% 0.162 131) |
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 #5B9101 | 3.82:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #5B9101 | 5.49:1 | AA | Lc 38.6 | Non-text elements, placeholder text |
| #5B9101 text on white | 3.82:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #5B9101 text on black | 5.49:1 | AA | Lc -36.2 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E4EDDE
oklch(93.5% 0.022 132.5)
-
Step 200
200
#CFE0C2
oklch(88.6% 0.044 131.5)
-
Step 300
300
#AFCC96
oklch(81% 0.08 131)
-
Step 400
400
#84B159
oklch(70.8% 0.127 131.3)
-
Step 500
500 (this color)
#5B9101
oklch(59.6% 0.162 131)
-
Step 600
600
#528400
oklch(55.6% 0.152 131.1)
-
Step 700
700
#446F00
oklch(49.1% 0.134 131.1)
-
Step 800
800
#375B00
oklch(42.7% 0.117 131.1)
-
Step 900
900
#2D4C00
oklch(37.8% 0.103 131.1)
-
Step 950
950
#1A2D04
oklch(27.1% 0.068 131.3)
#5B9101 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) | #988500 | 0.088 |
| Deuteranopia (no green cones) | #91811B | 0.087 |
| Tritanopia (no blue cones) | #5D8A7B | 0.126 |
| Achromatopsia (no color) | #828282 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B9101
#5B9101
oklch(59.6% 0.162 131)
- #9E5EC5
#9E5EC5
oklch(59.7% 0.162 311.1)
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 #5B9101, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.020
- Olive Drab #6B8E23 ΔE 0.028
- Dark Yellow Green #728F02 ΔE 0.028
- Mossy Green #638B27 ΔE 0.029
- Grass Green #3F9B0B ΔE 0.035
- Grassy Green #419C03 ΔE 0.037
- Moss Green #658B38 ΔE 0.043
- Swamp Green #748500 ΔE 0.044
Use #5B9101 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.