#4BC5A2
Closest named color: Medium Aquamarine (#66CDAA). oklch(74.6% 0.12 170.8), rgb(75, 197, 162).
Aa
Black text reads best on this color (9.80:1).
About this color
#4BC5A2 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.120 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Medium Aquamarine (#66CDAA), ΔE 0.033 away. Black text reads best on it, at 9.80:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.120) |
| Temperature | cool |
| Nearest name | Medium Aquamarine (#66CDAA) |
| Black text | 9.80:1 |
| White text | 2.14:1 |
Values
| HEX | #4BC5A2 |
| RGB | rgb(75, 197, 162) |
| HSL | hsl(163, 51%, 53%) |
| OKLCH | oklch(74.6% 0.12 170.8) |
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 #4BC5A2 | 2.14:1 | Fails | Lc -46.4 | Large or bold text, headings |
| Black text on #4BC5A2 | 9.80:1 | AAA | Lc 62.2 | Content text, not long reading |
| #4BC5A2 text on white | 2.14:1 | Fails | Lc 41.7 | Non-text elements, placeholder text |
| #4BC5A2 text on black | 9.80:1 | AAA | Lc -60.5 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200
#BFE3D5
oklch(88.6% 0.042 169.8)
-
Step 300
300
#8ED1BA
oklch(80.9% 0.076 170.9)
-
Step 400
400 (this color)
#4BC5A2
oklch(74.6% 0.12 170.8)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D48
oklch(42.6% 0.084 170.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#4BC5A2 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) | #C0B9A0 | 0.124 |
| Deuteranopia (no green cones) | #AEACA4 | 0.118 |
| Tritanopia (no blue cones) | #00C6BB | 0.038 |
| Achromatopsia (no color) | #B1B1B1 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC5A2
#4BC5A2
oklch(74.6% 0.12 170.8)
- #E68CB6
#E68CB6
oklch(74.6% 0.12 351)
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 #4BC5A2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Aquamarine #66CDAA ΔE 0.033
- Greenblue #23C48B ΔE 0.040
- Green Blue #01C08D ΔE 0.043
- Topaz #13BBAF ΔE 0.046
- Emerald #06D6A0 ΔE 0.051
- Greeny Blue #42B395 ΔE 0.052
- Pale Teal #82CBB2 ΔE 0.056
- Soft Green #6FC276 ΔE 0.057
Use #4BC5A2 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.