#4DB663
Closest named color: Cool Green (#33B864). oklch(69.4% 0.154 148), rgb(77, 182, 99).
Aa
Black text reads best on this color (8.18:1).
About this color
#4DB663 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.154 and its hue 148°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.015 away. Black text reads best on it, at 8.18:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.154) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.18:1 |
| White text | 2.56:1 |
Values
| HEX | #4DB663 |
| RGB | rgb(77, 182, 99) |
| HSL | hsl(133, 42%, 51%) |
| OKLCH | oklch(69.4% 0.154 148) |
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 #4DB663 | 2.56:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #4DB663 | 8.18:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #4DB663 text on white | 2.56:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #4DB663 text on black | 8.18:1 | AAA | Lc -52.1 | 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
#F0F8F1
oklch(97.1% 0.013 149.3)
-
Step 100
100
#DEEFE0
oklch(93.5% 0.027 148.8)
-
Step 200
200
#C2E3C6
oklch(88.4% 0.053 148.5)
-
Step 300
300
#96D29E
oklch(80.9% 0.095 148.1)
-
Step 400
400 (this color)
#4DB663
oklch(69.4% 0.154 148)
-
Step 500
500
#00A542
oklch(63% 0.182 148.1)
-
Step 600
600
#008B36
oklch(55.5% 0.161 148.1)
-
Step 700
700
#00752C
oklch(49% 0.142 148)
-
Step 800
800
#006023
oklch(42.7% 0.123 148.1)
-
Step 900
900
#00501C
oklch(37.6% 0.109 148.1)
-
Step 950
950
#00300E
oklch(27% 0.077 148.3)
#4DB663 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) | #B8A75D | 0.124 |
| Deuteranopia (no green cones) | #AA9E69 | 0.122 |
| Tritanopia (no blue cones) | #35B3A2 | 0.088 |
| Achromatopsia (no color) | #A2A2A2 | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DB663
#4DB663
oklch(69.4% 0.154 148)
- #CF77CD
#CF77CD
oklch(69.5% 0.154 327.9)
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 #4DB663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.015
- Boring Green #63B365 ΔE 0.020
- Dark Pastel Green #56AE57 ΔE 0.022
- Medium Sea Green #3CB371 ΔE 0.023
- Dark Mint #48C072 ΔE 0.029
- Dark Mint Green #20C073 ΔE 0.031
- Algae #54AC68 ΔE 0.032
- Jade Green #2BAF6A ΔE 0.032
Use #4DB663 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.