#1BCC9A
Closest named color: Greenblue (#23C48B). oklch(75.2% 0.15 166.8), rgb(27, 204, 154).
Aa
Black text reads best on this color (10.15:1).
About this color
#1BCC9A is a medium-light, vivid green. In OKLCH its lightness is 75%, its chroma 0.150 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Greenblue (#23C48B), ΔE 0.026 away. Black text reads best on it, at 10.15:1.
| Hue family | Greens |
| Lightness | medium-light (75%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Greenblue (#23C48B) |
| Black text | 10.15:1 |
| White text | 2.06:1 |
Values
| HEX | #1BCC9A |
| RGB | rgb(27, 204, 154) |
| HSL | hsl(163, 77%, 45%) |
| OKLCH | oklch(75.2% 0.15 166.8) |
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 #1BCC9A | 2.06:1 | Fails | Lc -44.3 | Non-text elements, placeholder text |
| Black text on #1BCC9A | 10.15:1 | AAA | Lc 64.1 | Content text, not long reading |
| #1BCC9A text on white | 2.06:1 | Fails | Lc 39.8 | Non-text elements, placeholder text |
| #1BCC9A text on black | 10.15:1 | AAA | Lc -62.5 | 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
#EEF8F4
oklch(97.1% 0.012 170.3)
-
Step 100
100
#DAF0E6
oklch(93.6% 0.027 166.8)
-
Step 200
200
#B9E5D2
oklch(88.6% 0.053 167)
-
Step 300
300
#82D4B4
oklch(80.8% 0.093 167.2)
-
Step 400
400 (this color)
#1BCC9A
oklch(75.2% 0.15 166.8)
-
Step 500
500
#00A278
oklch(63.2% 0.13 166.5)
-
Step 600
600
#008865
oklch(55.6% 0.114 167)
-
Step 700
700
#007254
oklch(49% 0.101 166.9)
-
Step 800
800
#005E45
oklch(42.8% 0.088 167.1)
-
Step 900
900
#004E39
oklch(37.6% 0.077 167.4)
-
Step 950
950
#002F21
oklch(27.1% 0.055 167.3)
#1BCC9A 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) | #C7BD97 | 0.150 |
| Deuteranopia (no green cones) | #B3AE9D | 0.145 |
| Tritanopia (no blue cones) | #00CDBE | 0.050 |
| Achromatopsia (no color) | #B4B4B4 | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1BCC9A
#1BCC9A
oklch(75.2% 0.15 166.8)
- #F284C1
#F284C1
oklch(75.2% 0.151 346.9)
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 #1BCC9A, closest first.
No curated palette has a color within ΔE 0.04 of #1BCC9A.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greenblue #23C48B ΔE 0.026
- Emerald #06D6A0 ΔE 0.027
- Green Blue #01C08D ΔE 0.036
- Seaweed #18D17B ΔE 0.047
- Medium Aquamarine #66CDAA ΔE 0.048
- Dark Mint #48C072 ΔE 0.051
- Dark Mint Green #20C073 ΔE 0.053
- Algae Green #21C36F ΔE 0.055
Use #1BCC9A 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.