#5B9941
Closest named color: Flat Green (#699D4C). oklch(62.1% 0.138 137.4), rgb(91, 153, 65).
Aa
Black text reads best on this color (6.07:1).
About this color
#5B9941 is a medium-light, moderately saturated green. In OKLCH its lightness is 62%, its chroma 0.138 and its hue 137°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Flat Green (#699D4C), ΔE 0.024 away. Black text reads best on it, at 6.07:1.
| Hue family | Greens |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.138) |
| Temperature | in between |
| Nearest name | Flat Green (#699D4C) |
| Black text | 6.07:1 |
| White text | 3.45:1 |
Values
| HEX | #5B9941 |
| RGB | rgb(91, 153, 65) |
| HSL | hsl(102, 40%, 43%) |
| OKLCH | oklch(62.1% 0.138 137.4) |
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 #5B9941 | 3.45:1 | AA large text | Lc -67.4 | Content text, not long reading |
| Black text on #5B9941 | 6.07:1 | AA | Lc 42.2 | Non-text elements, placeholder text |
| #5B9941 text on white | 3.45:1 | AA large text | Lc 61.9 | Content text, not long reading |
| #5B9941 text on black | 6.07:1 | AA | Lc -39.8 | 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
#F3F7F1
oklch(97.1% 0.009 134.9)
-
Step 100
100
#E4EDE1
oklch(93.6% 0.019 137.8)
-
Step 200
200
#CEDFC7
oklch(88.4% 0.037 136.5)
-
Step 300
300
#ACCBA1
oklch(80.8% 0.067 137.6)
-
Step 400
400
#80B06D
oklch(70.6% 0.107 137.2)
-
Step 500
500 (this color)
#5B9941
oklch(62.1% 0.138 137.4)
-
Step 600
600
#438622
oklch(55.5% 0.149 137.4)
-
Step 700
700
#347213
oklch(49.2% 0.14 137.5)
-
Step 800
800
#2C5D14
oklch(42.8% 0.116 137.5)
-
Step 900
900
#284C18
oklch(37.6% 0.09 137.3)
-
Step 950
950
#182D10
oklch(27.1% 0.057 137.8)
#5B9941 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) | #9E8D38 | 0.090 |
| Deuteranopia (no green cones) | #958847 | 0.089 |
| Tritanopia (no blue cones) | #589486 | 0.097 |
| Achromatopsia (no color) | #8A8A8A | 0.138 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B9941
#5B9941
oklch(62.1% 0.138 137.4)
- #A869BC
#A869BC
oklch(62% 0.138 317.7)
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 #5B9941, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Flat Green #699D4C ΔE 0.024
- Muted Green #5FA052 ΔE 0.025
- Olive Drab #6B8E23 ΔE 0.034
- Light Forest Green #4F9153 ΔE 0.037
- Fern Green #548D44 ΔE 0.038
- Off Green #6BA353 ΔE 0.039
- Moss Green #658B38 ΔE 0.039
- Mid Green #50A747 ΔE 0.039
Use #5B9941 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.