#4BC974
Closest named color: Seaweed (#18D17B). oklch(74.5% 0.165 150.9), rgb(75, 201, 116).
Aa
Black text reads best on this color (9.90:1).
About this color
#4BC974 is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.165 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Seaweed (#18D17B), ΔE 0.025 away. Black text reads best on it, at 9.90:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.165) |
| Temperature | in between |
| Nearest name | Seaweed (#18D17B) |
| Black text | 9.90:1 |
| White text | 2.11:1 |
Values
| HEX | #4BC974 |
| RGB | rgb(75, 201, 116) |
| HSL | hsl(140, 54%, 54%) |
| OKLCH | oklch(74.5% 0.165 150.9) |
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 #4BC974 | 2.11:1 | Fails | Lc -45.8 | Large or bold text, headings |
| Black text on #4BC974 | 9.90:1 | AAA | Lc 62.7 | Content text, not long reading |
| #4BC974 text on white | 2.11:1 | Fails | Lc 41.2 | Non-text elements, placeholder text |
| #4BC974 text on black | 9.90:1 | AAA | Lc -61.1 | Content text, not long reading |
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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DCF0E0
oklch(93.6% 0.03 151.5)
-
Step 200
200
#BFE5C6
oklch(88.6% 0.058 150.5)
-
Step 300
300
#8ED49E
oklch(80.9% 0.104 150.7)
-
Step 400
400 (this color)
#4BC974
oklch(74.5% 0.165 150.9)
-
Step 500
500
#00A54F
oklch(63.2% 0.171 150.8)
-
Step 600
600
#008B42
oklch(55.7% 0.15 151)
-
Step 700
700
#007536
oklch(49.2% 0.133 150.8)
-
Step 800
800
#00602B
oklch(42.8% 0.116 150.8)
-
Step 900
900
#005023
oklch(37.7% 0.102 150.9)
-
Step 950
950
#003012
oklch(27% 0.073 150.7)
#4BC974 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) | #CAB96E | 0.139 |
| Deuteranopia (no green cones) | #BAAE7A | 0.136 |
| Tritanopia (no blue cones) | #1DC6B4 | 0.089 |
| Achromatopsia (no color) | #B2B2B2 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC974
#4BC974
oklch(74.5% 0.165 150.9)
- #E682DC
#E682DC
oklch(74.5% 0.165 330.8)
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 #4BC974, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Seaweed #18D17B ΔE 0.025
- Dark Mint #48C072 ΔE 0.026
- Algae Green #21C36F ΔE 0.028
- Soft Green #6FC276 ΔE 0.033
- Dark Mint Green #20C073 ΔE 0.035
- Greenblue #23C48B ΔE 0.039
- Green Blue #01C08D ΔE 0.052
- Cool Green #33B864 ΔE 0.053
Use #4BC974 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.