#4DB559
Closest named color: Cool Green (#33B864). oklch(69% 0.162 145.7), rgb(77, 181, 89).
Aa
Black text reads best on this color (8.06:1).
About this color
#4DB559 is a medium-light, vivid green. In OKLCH its lightness is 69%, its chroma 0.162 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.016 away. Black text reads best on it, at 8.06:1.
| Hue family | Greens |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.162) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #4DB559 |
| RGB | rgb(77, 181, 89) |
| HSL | hsl(127, 41%, 51%) |
| OKLCH | oklch(69% 0.162 145.7) |
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 #4DB559 | 2.60:1 | Fails | Lc -55.6 | Large or bold text, headings |
| Black text on #4DB559 | 8.06:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #4DB559 text on white | 2.60:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #4DB559 text on black | 8.06:1 | AAA | Lc -51.4 | 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
#F0F8F0
oklch(97.1% 0.014 145.5)
-
Step 100
100
#DEEFDE
oklch(93.5% 0.029 145.3)
-
Step 200
200
#C2E4C3
oklch(88.5% 0.057 145.9)
-
Step 300
300
#96D299
oklch(80.8% 0.1 145.8)
-
Step 400
400 (this color)
#4DB559
oklch(69% 0.162 145.7)
-
Step 500
500
#00A633
oklch(63.1% 0.194 145.8)
-
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
#00611A
oklch(42.9% 0.132 145.8)
-
Step 900
900
#005114
oklch(37.8% 0.117 145.7)
-
Step 950
950
#003008
oklch(26.9% 0.083 145.6)
#4DB559 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) | #B8A651 | 0.125 |
| Deuteranopia (no green cones) | #AA9D60 | 0.123 |
| Tritanopia (no blue cones) | #38B1A0 | 0.098 |
| Achromatopsia (no color) | #A0A0A0 | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4DB559
#4DB559
oklch(69% 0.162 145.7)
- #CD74D1
#CD74D1
oklch(69% 0.162 325.6)
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 #4DB559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.016
- Dark Pastel Green #56AE57 ΔE 0.020
- Boring Green #63B365 ΔE 0.026
- Leafy Green #51B73B ΔE 0.030
- Medium Sea Green #3CB371 ΔE 0.031
- Medium Green #39AD48 ΔE 0.032
- Fern #63A950 ΔE 0.034
- Jade Green #2BAF6A ΔE 0.035
Use #4DB559 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.