#73C551
Closest named color: Apple (#6ECB3C). oklch(74.6% 0.172 137.6), rgb(115, 197, 81).
Aa
Black text reads best on this color (9.83:1).
About this color
#73C551 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.172 and its hue 138°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Apple (#6ECB3C), ΔE 0.028 away. Black text reads best on it, at 9.83:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.172) |
| Temperature | in between |
| Nearest name | Apple (#6ECB3C) |
| Black text | 9.83:1 |
| White text | 2.13:1 |
Values
| HEX | #73C551 |
| RGB | rgb(115, 197, 81) |
| HSL | hsl(102, 50%, 55%) |
| OKLCH | oklch(74.6% 0.172 137.6) |
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 #73C551 | 2.13:1 | Fails | Lc -46.3 | Large or bold text, headings |
| Black text on #73C551 | 9.83:1 | AAA | Lc 62.3 | Content text, not long reading |
| #73C551 text on white | 2.13:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #73C551 text on black | 9.83:1 | AAA | Lc -60.6 | Content text, not long reading |
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
#E0EFDB
oklch(93.5% 0.031 137.8)
-
Step 200
200
#C7E3BD
oklch(88.5% 0.059 137.5)
-
Step 300
300
#9FD18C
oklch(80.8% 0.107 137.3)
-
Step 400
400 (this color)
#73C551
oklch(74.6% 0.172 137.6)
-
Step 500
500
#45A200
oklch(63% 0.193 137.5)
-
Step 600
600
#398800
oklch(55.5% 0.17 137.5)
-
Step 700
700
#2E7300
oklch(49.1% 0.151 137.7)
-
Step 800
800
#255E00
oklch(42.7% 0.13 137.5)
-
Step 900
900
#1D4F00
oklch(37.8% 0.116 137.7)
-
Step 950
950
#0F2F00
oklch(27% 0.083 137.4)
#73C551 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) | #CBB645 | 0.111 |
| Deuteranopia (no green cones) | #C0AF5A | 0.112 |
| Tritanopia (no blue cones) | #6FBFAC | 0.119 |
| Achromatopsia (no color) | #B1B1B1 | 0.173 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73C551
#73C551
oklch(74.6% 0.172 137.6)
- #D886F3
#D886F3
oklch(74.5% 0.172 317.4)
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 #73C551, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Apple #6ECB3C ΔE 0.028
- Turtle Green #75B84F ΔE 0.036
- Dark Lime Green #7EBD01 ΔE 0.039
- Apple Green #76CD26 ΔE 0.041
- Soft Green #6FC276 ΔE 0.043
- Dark Lime #84B701 ΔE 0.046
- Dark Mint #48C072 ΔE 0.050
- Bright Olive #9CBB04 ΔE 0.051
Use #73C551 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.