#4AC55A
Closest named color: Algae Green (#21C36F). oklch(73.1% 0.184 145.7), rgb(74, 197, 90).
Aa
Black text reads best on this color (9.42:1).
About this color
#4AC55A is a medium-light, vivid green. In OKLCH its lightness is 73%, its chroma 0.184 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.029 away. Black text reads best on it, at 9.42:1.
| Hue family | Greens |
| Lightness | medium-light (73%) |
| Chroma | vivid (0.184) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.42:1 |
| White text | 2.22:1 |
Values
| HEX | #4AC55A |
| RGB | rgb(74, 197, 90) |
| HSL | hsl(128, 51%, 53%) |
| OKLCH | oklch(73.1% 0.184 145.7) |
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 #4AC55A | 2.22:1 | Fails | Lc -48.3 | Large or bold text, headings |
| Black text on #4AC55A | 9.42:1 | AAA | Lc 60.5 | Content text, not long reading |
| #4AC55A text on white | 2.22:1 | Fails | Lc 43.5 | Non-text elements, placeholder text |
| #4AC55A text on black | 9.42:1 | AAA | Lc -58.7 | 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
#EFF8EF
oklch(97% 0.015 145.5)
-
Step 100
100
#DDF0DD
oklch(93.6% 0.032 145.3)
-
Step 200
200
#BFE5C0
oklch(88.5% 0.064 145.7)
-
Step 300
300
#90D593
oklch(81% 0.115 145.4)
-
Step 400
400 (this color)
#4AC55A
oklch(73.1% 0.184 145.7)
-
Step 500
500
#00A632
oklch(63.1% 0.195 145.7)
-
Step 600
600
#008C29
oklch(55.7% 0.172 145.7)
-
Step 700
700
#007621
oklch(49.2% 0.152 145.7)
-
Step 800
800
#006119
oklch(42.8% 0.133 145.6)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#4AC55A 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) | #C8B450 | 0.140 |
| Deuteranopia (no green cones) | #B9AA62 | 0.139 |
| Tritanopia (no blue cones) | #2CC0AD | 0.112 |
| Achromatopsia (no color) | #AEAEAE | 0.185 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4AC55A
#4AC55A
oklch(73.1% 0.184 145.7)
- #E17AE5
#E17AE5
oklch(73.1% 0.183 325.9)
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 #4AC55A, closest first.
No curated palette has a color within ΔE 0.04 of #4AC55A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.029
- Shamrock Green #02C14D ΔE 0.033
- Dark Mint #48C072 ΔE 0.034
- Dark Mint Green #20C073 ΔE 0.038
- Seaweed #18D17B ΔE 0.040
- Leafy Green #51B73B ΔE 0.041
- Apple #6ECB3C ΔE 0.042
- Turtle Green #75B84F ΔE 0.044
Use #4AC55A 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.