#4AC66A
Closest named color: Algae Green (#21C36F). oklch(73.6% 0.171 148.9), rgb(74, 198, 106).
Aa
Black text reads best on this color (9.57:1).
About this color
#4AC66A is a medium-light, vivid green. In OKLCH its lightness is 74%, its chroma 0.171 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Algae Green (#21C36F), ΔE 0.022 away. Black text reads best on it, at 9.57:1.
| Hue family | Greens |
| Lightness | medium-light (74%) |
| Chroma | vivid (0.171) |
| Temperature | in between |
| Nearest name | Algae Green (#21C36F) |
| Black text | 9.57:1 |
| White text | 2.19:1 |
Values
| HEX | #4AC66A |
| RGB | rgb(74, 198, 106) |
| HSL | hsl(135, 52%, 53%) |
| OKLCH | oklch(73.6% 0.171 148.9) |
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 #4AC66A | 2.19:1 | Fails | Lc -47.5 | Large or bold text, headings |
| Black text on #4AC66A | 9.57:1 | AAA | Lc 61.2 | Content text, not long reading |
| #4AC66A text on white | 2.19:1 | Fails | Lc 42.8 | Non-text elements, placeholder text |
| #4AC66A text on black | 9.57:1 | AAA | Lc -59.4 | 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
#EFF8F0
oklch(97% 0.014 148.8)
-
Step 100
100
#DCF0DF
oklch(93.6% 0.031 149.8)
-
Step 200
200
#BFE5C4
oklch(88.6% 0.06 148.8)
-
Step 300
300
#8FD49B
oklch(80.9% 0.106 149)
-
Step 400
400 (this color)
#4AC66A
oklch(73.6% 0.171 148.9)
-
Step 500
500
#00A546
oklch(63% 0.178 148.9)
-
Step 600
600
#008B3A
oklch(55.6% 0.157 148.9)
-
Step 700
700
#00752F
oklch(49.1% 0.139 148.8)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900
#00501E
oklch(37.6% 0.107 148.8)
-
Step 950
950
#00300F
oklch(27% 0.076 148.8)
#4AC66A 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) | #C8B663 | 0.139 |
| Deuteranopia (no green cones) | #B8AB70 | 0.136 |
| Tritanopia (no blue cones) | #23C2B0 | 0.097 |
| Achromatopsia (no color) | #AFAFAF | 0.172 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4AC66A
#4AC66A
oklch(73.6% 0.171 148.9)
- #E27EDE
#E27EDE
oklch(73.5% 0.171 328.6)
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 #4AC66A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Algae Green #21C36F ΔE 0.022
- Dark Mint #48C072 ΔE 0.022
- Dark Mint Green #20C073 ΔE 0.030
- Seaweed #18D17B ΔE 0.032
- Soft Green #6FC276 ΔE 0.037
- Greenblue #23C48B ΔE 0.044
- Cool Green #33B864 ΔE 0.044
- Shamrock Green #02C14D ΔE 0.045
Use #4AC66A 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.