#73BC57
Closest named color: Turtle Green (#75B84F). oklch(72.4% 0.154 137.8), rgb(115, 188, 87).
Aa
Black text reads best on this color (9.05:1).
About this color
#73BC57 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.154 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.011 away. Black text reads best on it, at 9.05:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.05:1 |
| White text | 2.31:1 |
Values
| HEX | #73BC57 |
| RGB | rgb(115, 188, 87) |
| HSL | hsl(103, 43%, 54%) |
| OKLCH | oklch(72.4% 0.154 137.8) |
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 #73BC57 | 2.31:1 | Fails | Lc -50.4 | Large or bold text, headings |
| Black text on #73BC57 | 9.05:1 | AAA | Lc 58.5 | Large or bold text, headings |
| #73BC57 text on white | 2.31:1 | Fails | Lc 45.5 | Large or bold text, headings |
| #73BC57 text on black | 9.05:1 | AAA | Lc -56.6 | 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
#F1F8EF
oklch(97.1% 0.014 138.7)
-
Step 100
100
#E1EFDD
oklch(93.7% 0.028 138.7)
-
Step 200
200
#C8E2C0
oklch(88.5% 0.054 138.3)
-
Step 300
300
#A2D093
oklch(80.9% 0.096 138.1)
-
Step 400
400 (this color)
#73BC57
oklch(72.4% 0.154 137.8)
-
Step 500
500
#43A200
oklch(63% 0.194 137.8)
-
Step 600
600
#378900
oklch(55.7% 0.172 137.9)
-
Step 700
700
#2D7300
oklch(49.1% 0.151 137.9)
-
Step 800
800
#245E00
oklch(42.6% 0.131 137.7)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#0F2F01
oklch(27% 0.081 137.7)
#73BC57 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) | #C1AE4E | 0.101 |
| Deuteranopia (no green cones) | #B7A85E | 0.101 |
| Tritanopia (no blue cones) | #6FB6A5 | 0.107 |
| Achromatopsia (no color) | #AAAAAA | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BC57
#73BC57
oklch(72.4% 0.154 137.8)
- #CD84E4
#CD84E4
oklch(72.3% 0.154 317.8)
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 #73BC57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.011
- Soft Green #6FC276 ΔE 0.033
- Boring Green #63B365 ΔE 0.037
- Dark Mint #48C072 ΔE 0.038
- Avocado #90B134 ΔE 0.041
- Dark Lime #84B701 ΔE 0.045
- Leafy Green #51B73B ΔE 0.046
- Dark Lime Green #7EBD01 ΔE 0.047
Use #73BC57 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.