#5B910F
Closest named color: Sap Green (#5C8B15). oklch(59.6% 0.159 131.4), rgb(91, 145, 15).
Aa
Black text reads best on this color (5.50:1).
About this color
#5B910F is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.159 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 0.018 away. Black text reads best on it, at 5.50:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.159) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.50:1 |
| White text | 3.81:1 |
Values
| HEX | #5B910F |
| RGB | rgb(91, 145, 15) |
| HSL | hsl(85, 81%, 31%) |
| OKLCH | oklch(59.6% 0.159 131.4) |
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 #5B910F | 3.81:1 | AA large text | Lc -70.9 | Content text, not long reading |
| Black text on #5B910F | 5.50:1 | AA | Lc 38.7 | Non-text elements, placeholder text |
| #5B910F text on white | 3.81:1 | AA large text | Lc 65.4 | Content text, not long reading |
| #5B910F text on black | 5.50:1 | 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
#AFCC97
oklch(81% 0.079 131.3)
-
Step 400
400
#84B05B
oklch(70.6% 0.124 131.4)
-
Step 500
500 (this color)
#5B910F
oklch(59.6% 0.159 131.4)
-
Step 600
600
#518400
oklch(55.5% 0.153 131.4)
-
Step 700
700
#436F00
oklch(49% 0.135 131.5)
-
Step 800
800
#365B00
oklch(42.7% 0.117 131.5)
-
Step 900
900
#2C4C00
oklch(37.7% 0.104 131.6)
-
Step 950
950
#1A2D06
oklch(27.1% 0.066 131.9)
#5B910F 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 | 0.087 |
| Deuteranopia (no green cones) | #918121 | 0.087 |
| Tritanopia (no blue cones) | #5D8A7B | 0.122 |
| Achromatopsia (no color) | #838383 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B910F
#5B910F
oklch(59.6% 0.159 131.4)
- #9E5FC3
#9E5FC3
oklch(59.7% 0.158 311.6)
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 #5B910F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.018
- Olive Drab #6B8E23 ΔE 0.025
- Mossy Green #638B27 ΔE 0.026
- Dark Yellow Green #728F02 ΔE 0.027
- Grass Green #3F9B0B ΔE 0.036
- Grassy Green #419C03 ΔE 0.038
- Moss Green #658B38 ΔE 0.039
- Swamp Green #748500 ΔE 0.043
Use #5B910F 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.