#73AA37
Closest named color: Leaf (#71AA34). oklch(67.6% 0.156 131.4), rgb(115, 170, 55).
Aa
Black text reads best on this color (7.53:1).
About this color
#73AA37 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.156 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf (#71AA34), ΔE 0.004 away. Black text reads best on it, at 7.53:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.156) |
| Temperature | in between |
| Nearest name | Leaf (#71AA34) |
| Black text | 7.53:1 |
| White text | 2.78:1 |
Values
| HEX | #73AA37 |
| RGB | rgb(115, 170, 55) |
| HSL | hsl(89, 51%, 44%) |
| OKLCH | oklch(67.6% 0.156 131.4) |
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 #73AA37 | 2.78:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #73AA37 | 7.53:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #73AA37 text on white | 2.78:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #73AA37 text on black | 7.53:1 | AAA | Lc -48.3 | 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
#F2F7EE
oklch(97% 0.013 130.8)
-
Step 100
100
#E3EEDB
oklch(93.6% 0.028 131.8)
-
Step 200
200
#CCE1BC
oklch(88.4% 0.054 131.7)
-
Step 300
300
#AACE8C
oklch(80.9% 0.097 131.5)
-
Step 400
400 (this color)
#73AA37
oklch(67.6% 0.156 131.4)
-
Step 500
500
#619D00
oklch(63% 0.173 131.4)
-
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
#182D00
oklch(26.9% 0.074 131.6)
#73AA37 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) | #B19D27 | 0.086 |
| Deuteranopia (no green cones) | #AA9941 | 0.088 |
| Tritanopia (no blue cones) | #75A393 | 0.119 |
| Achromatopsia (no color) | #9B9B9B | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73AA37
#73AA37
oklch(67.6% 0.156 131.4)
- #B678DD
#B678DD
oklch(67.6% 0.156 311.1)
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 #73AA37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf #71AA34 ΔE 0.004
- Avocado Green #87A922 ΔE 0.024
- Fern #63A950 ΔE 0.026
- Grass #5CAC2D ΔE 0.027
- Asparagus #77AB56 ΔE 0.030
- Dark Pastel Green #56AE57 ΔE 0.034
- Pea Green #8EAB12 ΔE 0.034
- Mid Green #50A747 ΔE 0.037
Use #73AA37 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.