#73BC45
Closest named color: Turtle Green (#75B84F). oklch(72.2% 0.17 135.3), rgb(115, 188, 69).
Aa
Black text reads best on this color (9.00:1).
About this color
#73BC45 is a medium-light, vivid green. In OKLCH its lightness is 72%, its chroma 0.170 and its hue 135°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Turtle Green (#75B84F), ΔE 0.017 away. Black text reads best on it, at 9.00:1.
| Hue family | Greens |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Turtle Green (#75B84F) |
| Black text | 9.00:1 |
| White text | 2.33:1 |
Values
| HEX | #73BC45 |
| RGB | rgb(115, 188, 69) |
| HSL | hsl(97, 47%, 50%) |
| OKLCH | oklch(72.2% 0.17 135.3) |
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 #73BC45 | 2.33:1 | Fails | Lc -50.7 | Large or bold text, headings |
| Black text on #73BC45 | 9.00:1 | AAA | Lc 58.2 | Large or bold text, headings |
| #73BC45 text on white | 2.33:1 | Fails | Lc 45.8 | Large or bold text, headings |
| #73BC45 text on black | 9.00:1 | AAA | Lc -56.3 | 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
#F1F8EE
oklch(97.1% 0.015 136.1)
-
Step 100
100
#E1EFDB
oklch(93.6% 0.03 136.1)
-
Step 200
200
#C9E3BC
oklch(88.6% 0.059 135.2)
-
Step 300
300
#A3D08B
oklch(80.9% 0.105 135.1)
-
Step 400
400 (this color)
#73BC45
oklch(72.2% 0.17 135.3)
-
Step 500
500
#51A000
oklch(63% 0.185 135.3)
-
Step 600
600
#438700
oklch(55.6% 0.164 135.4)
-
Step 700
700
#377100
oklch(49% 0.144 135.4)
-
Step 800
800
#2C5D00
oklch(42.7% 0.126 135.4)
-
Step 900
900
#244E00
oklch(37.8% 0.111 135.4)
-
Step 950
950
#132E00
oklch(26.9% 0.079 135.2)
#73BC45 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) | #C3AE37 | 0.104 |
| Deuteranopia (no green cones) | #B8A84F | 0.103 |
| Tritanopia (no blue cones) | #71B5A3 | 0.122 |
| Achromatopsia (no color) | #AAAAAA | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #73BC45
#73BC45
oklch(72.2% 0.17 135.3)
- #CD81ED
#CD81ED
oklch(72.3% 0.169 315.2)
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 #73BC45, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turtle Green #75B84F ΔE 0.017
- Dark Lime #84B701 ΔE 0.030
- Dark Lime Green #7EBD01 ΔE 0.031
- Leafy Green #51B73B ΔE 0.037
- Avocado #90B134 ΔE 0.039
- Icky Green #8FAE22 ΔE 0.044
- Apple #6ECB3C ΔE 0.044
- Frog Green #58BC08 ΔE 0.045
Use #73BC45 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.