#5FAA31
Closest named color: Grass (#5CAC2D). oklch(66.5% 0.171 136), rgb(95, 170, 49).
Aa
Black text reads best on this color (7.28:1).
About this color
#5FAA31 is a medium-light, vivid green. In OKLCH its lightness is 66%, its chroma 0.171 and its hue 136°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grass (#5CAC2D), ΔE 0.008 away. Black text reads best on it, at 7.28:1.
| Hue family | Greens |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Grass (#5CAC2D) |
| Black text | 7.28:1 |
| White text | 2.88:1 |
Values
| HEX | #5FAA31 |
| RGB | rgb(95, 170, 49) |
| HSL | hsl(97, 55%, 43%) |
| OKLCH | oklch(66.5% 0.171 136) |
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 #5FAA31 | 2.88:1 | Fails | Lc -60.1 | Content text, not long reading |
| Black text on #5FAA31 | 7.28:1 | AAA | Lc 49.2 | Large or bold text, headings |
| #5FAA31 text on white | 2.88:1 | Fails | Lc 54.8 | Large or bold text, headings |
| #5FAA31 text on black | 7.28:1 | AAA | Lc -47.0 | Large or bold text, headings |
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
#F2F7F0
oklch(97% 0.011 136.6)
-
Step 100
100
#E3EEDE
oklch(93.6% 0.024 135.7)
-
Step 200
200
#CCE1C2
oklch(88.6% 0.047 135.5)
-
Step 300
300
#A8CD98
oklch(80.8% 0.083 136.4)
-
Step 400
400
#79B35C
oklch(70.6% 0.133 136.1)
-
Step 500
500 (this color)
#5FAA31
oklch(66.5% 0.171 136)
-
Step 600
600
#408700
oklch(55.5% 0.165 136)
-
Step 700
700
#357200
oklch(49.1% 0.146 136)
-
Step 800
800
#2A5D00
oklch(42.6% 0.127 136)
-
Step 900
900
#224E01
oklch(37.7% 0.112 136.2)
-
Step 950
950
#152E06
oklch(27.1% 0.071 136)
#5FAA31 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) | #B09C1D | 0.105 |
| Deuteranopia (no green cones) | #A6963C | 0.106 |
| Tritanopia (no blue cones) | #5CA492 | 0.122 |
| Achromatopsia (no color) | #989898 | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5FAA31
#5FAA31
oklch(66.5% 0.171 136)
- #BC6ED9
#BC6ED9
oklch(66.5% 0.171 316.2)
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 #5FAA31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grass #5CAC2D ΔE 0.008
- Leaf #71AA34 ΔE 0.019
- Leaf Green #5CA904 ΔE 0.020
- Mid Green #50A747 ΔE 0.025
- Medium Green #39AD48 ΔE 0.029
- Fern #63A950 ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.032
- Leafy Green #51B73B ΔE 0.036
Use #5FAA31 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.