#1CB663
Closest named color: Cool Green (#33B864). oklch(68.3% 0.17 152.7), rgb(28, 182, 99).
Aa
Black text reads best on this color (7.92:1).
About this color
#1CB663 is a medium-light, vivid green. In OKLCH its lightness is 68%, its chroma 0.170 and its hue 153°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Cool Green (#33B864), ΔE 0.011 away. Black text reads best on it, at 7.92:1.
| Hue family | Greens |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Cool Green (#33B864) |
| Black text | 7.92:1 |
| White text | 2.65:1 |
Values
| HEX | #1CB663 |
| RGB | rgb(28, 182, 99) |
| HSL | hsl(148, 73%, 41%) |
| OKLCH | oklch(68.3% 0.17 152.7) |
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 #1CB663 | 2.65:1 | Fails | Lc -56.2 | Large or bold text, headings |
| Black text on #1CB663 | 7.92:1 | AAA | Lc 53.0 | Large or bold text, headings |
| #1CB663 text on white | 2.65:1 | Fails | Lc 51.0 | Large or bold text, headings |
| #1CB663 text on black | 7.92:1 | AAA | Lc -50.9 | 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
#EFF8F1
oklch(97% 0.013 152.6)
-
Step 100
100
#DBF0E0
oklch(93.5% 0.031 152.9)
-
Step 200
200
#BDE5C7
oklch(88.5% 0.058 152.7)
-
Step 300
300
#8AD5A0
oklch(81% 0.106 152.8)
-
Step 400
400 (this color)
#1CB663
oklch(68.3% 0.17 152.7)
-
Step 500
500
#00A456
oklch(63% 0.163 152.8)
-
Step 600
600
#008A47
oklch(55.5% 0.144 152.6)
-
Step 700
700
#00743B
oklch(49% 0.127 152.7)
-
Step 800
800
#005F2F
oklch(42.5% 0.11 152.7)
-
Step 900
900
#005027
oklch(37.8% 0.098 152.9)
-
Step 950
950
#003015
oklch(27.1% 0.07 152.9)
#1CB663 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) | #B6A65D | 0.146 |
| Deuteranopia (no green cones) | #A59A69 | 0.143 |
| Tritanopia (no blue cones) | #00B3A2 | 0.090 |
| Achromatopsia (no color) | #9F9F9F | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1CB663
#1CB663
oklch(68.3% 0.17 152.7)
- #D56CC6
#D56CC6
oklch(68.3% 0.171 332.9)
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 #1CB663, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Green #33B864 ΔE 0.011
- Jade Green #2BAF6A ΔE 0.025
- Green Teal #0CB577 ΔE 0.026
- Shamrock #01B44C ΔE 0.027
- Medium Sea Green #3CB371 ΔE 0.027
- Dark Seafoam #1FB57A ΔE 0.031
- Dark Mint Green #20C073 ΔE 0.031
- Medium Green #39AD48 ΔE 0.032
Use #1CB663 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.