#73AF37
Closest named color: Leaf (#71AA34). oklch(68.9% 0.163 132.3), rgb(115, 175, 55).
Aa
Black text reads best on this color (7.91:1).
About this color
#73AF37 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.163 and its hue 132°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf (#71AA34), ΔE 0.014 away. Black text reads best on it, at 7.91:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Leaf (#71AA34) |
| Black text | 7.91:1 |
| White text | 2.65:1 |
Values
| HEX | #73AF37 |
| RGB | rgb(115, 175, 55) |
| HSL | hsl(90, 52%, 45%) |
| OKLCH | oklch(68.9% 0.163 132.3) |
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 #73AF37 | 2.65:1 | Fails | Lc -56.6 | Large or bold text, headings |
| Black text on #73AF37 | 7.91:1 | AAA | Lc 52.6 | Large or bold text, headings |
| #73AF37 text on white | 2.65:1 | Fails | Lc 51.4 | Large or bold text, headings |
| #73AF37 text on black | 7.91:1 | AAA | Lc -50.5 | 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 400.
-
Step 50
50
#F2F8EE
oklch(97.2% 0.015 132.5)
-
Step 100
100
#E3EEDA
oklch(93.5% 0.029 130.7)
-
Step 200
200
#CBE2BB
oklch(88.5% 0.058 132.5)
-
Step 300
300
#A8CF8A
oklch(80.9% 0.102 132.3)
-
Step 400
400 (this color)
#73AF37
oklch(68.9% 0.163 132.3)
-
Step 500
500
#5E9E00
oklch(63.1% 0.176 132.3)
-
Step 600
600
#4E8500
oklch(55.6% 0.155 132.4)
-
Step 700
700
#417000
oklch(49.2% 0.137 132.3)
-
Step 800
800
#345C00
oklch(42.8% 0.12 132.5)
-
Step 900
900
#2B4C00
oklch(37.6% 0.105 132.1)
-
Step 950
950
#172D00
oklch(26.8% 0.075 132.3)
#73AF37 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) | #B6A225 | 0.090 |
| Deuteranopia (no green cones) | #AE9D41 | 0.092 |
| Tritanopia (no blue cones) | #74A897 | 0.123 |
| Achromatopsia (no color) | #9F9F9F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AF37
#73AF37
oklch(68.9% 0.163 132.3)
- #BD7AE3
#BD7AE3
oklch(69% 0.163 312.2)
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 #73AF37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf #71AA34 ΔE 0.014
- Avocado Green #87A922 ΔE 0.025
- Grass #5CAC2D ΔE 0.028
- Turtle Green #75B84F ΔE 0.029
- Pea Green #8EAB12 ΔE 0.032
- Icky Green #8FAE22 ΔE 0.032
- Fern #63A950 ΔE 0.035
- Leafy Green #51B73B ΔE 0.035
Use #73AF37 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.