#73B440
Closest named color: Turtle Green (#75B84F). oklch(70.2% 0.163 133.9), rgb(115, 180, 64).
Aa
Black text reads best on this color (8.33:1).
About this color
#73B440 is a medium-light, vivid green. In OKLCH its lightness is 70%, its chroma 0.163 and its hue 134°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.016 away. Black text reads best on it, at 8.33:1.
| Hue family | Greens |
| Lightness | medium-light (70%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 8.33:1 |
| White text | 2.52:1 |
Values
| HEX | #73B440 |
| RGB | rgb(115, 180, 64) |
| HSL | hsl(94, 48%, 48%) |
| OKLCH | oklch(70.2% 0.163 133.9) |
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 #73B440 | 2.52:1 | Fails | Lc -54.3 | Large or bold text, headings |
| Black text on #73B440 | 8.33:1 | AAA | Lc 54.8 | Large or bold text, headings |
| #73B440 text on white | 2.52:1 | Fails | Lc 49.2 | Large or bold text, headings |
| #73B440 text on black | 8.33:1 | AAA | Lc -52.7 | 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
#E2EFDB
oklch(93.7% 0.03 134.4)
-
Step 200
200
#CAE2BC
oklch(88.5% 0.057 134)
-
Step 300
300
#A6CF8C
oklch(80.8% 0.101 133.8)
-
Step 400
400 (this color)
#73B440
oklch(70.2% 0.163 133.9)
-
Step 500
500
#589F00
oklch(63.1% 0.18 133.8)
-
Step 600
600
#498600
oklch(55.7% 0.159 133.9)
-
Step 700
700
#3C7100
oklch(49.2% 0.141 134)
-
Step 800
800
#305C00
oklch(42.6% 0.122 134)
-
Step 900
900
#274D00
oklch(37.7% 0.108 134.1)
-
Step 950
950
#152E00
oklch(27% 0.078 134)
#73B440 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) | #BBA632 | 0.096 |
| Deuteranopia (no green cones) | #B2A149 | 0.097 |
| Tritanopia (no blue cones) | #73AD9C | 0.120 |
| Achromatopsia (no color) | #A3A3A3 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73B440
#73B440
oklch(70.2% 0.163 133.9)
- #C37DE5
#C37DE5
oklch(70.2% 0.163 313.9)
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 #73B440, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.016
- Leaf #71AA34 ΔE 0.028
- Avocado #90B134 ΔE 0.032
- Leafy Green #51B73B ΔE 0.033
- Icky Green #8FAE22 ΔE 0.033
- Dark Lime #84B701 ΔE 0.033
- Avocado Green #87A922 ΔE 0.034
- Pea Green #8EAB12 ΔE 0.037
Use #73B440 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.