#ADDEC9
Closest named color: Celeste (#A8DADC). oklch(86% 0.059 166.9), rgb(173, 222, 201).
Aa
Black text reads best on this color (14.06:1).
About this color
#ADDEC9 is a light, muted green. In OKLCH its lightness is 86%, its chroma 0.059 and its hue 167°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.032 away. Black text reads best on it, at 14.06:1.
| Hue family | Greens |
| Lightness | light (86%) |
| Chroma | muted (0.059) |
| Temperature | in between |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.06:1 |
| White text | 1.49:1 |
Values
| HEX | #ADDEC9 |
| RGB | rgb(173, 222, 201) |
| HSL | hsl(154, 43%, 77%) |
| OKLCH | oklch(86% 0.059 166.9) |
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 #ADDEC9 | 1.49:1 | Fails | Lc -26.2 | Dividers and decoration only |
| Black text on #ADDEC9 | 14.06:1 | AAA | Lc 80.6 | Fine for body text |
| #ADDEC9 text on white | 1.49:1 | Fails | Lc 23.1 | Dividers and decoration only |
| #ADDEC9 text on black | 14.06:1 | AAA | Lc -80.1 | Fine for body text |
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 200.
-
Step 50
50
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DDEFE7
oklch(93.7% 0.022 167.5)
-
Step 200
200 (this color)
#ADDEC9
oklch(86% 0.059 166.9)
-
Step 300
300
#91D1B6
oklch(81% 0.076 166.4)
-
Step 400
400
#44B891
oklch(70.7% 0.12 167.2)
-
Step 500
500
#00A279
oklch(63.2% 0.13 167)
-
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)
#ADDEC9 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) | #DCD7C8 | 0.060 |
| Deuteranopia (no green cones) | #D3D1CA | 0.057 |
| Tritanopia (no blue cones) | #A3DED8 | 0.022 |
| Achromatopsia (no color) | #D3D3D3 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADDEC9
#ADDEC9
oklch(86% 0.059 166.9)
- #EFC2D9
#EFC2D9
oklch(86% 0.059 346.3)
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 #ADDEC9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.032
- Light Teal #90E4C1 ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.046
- Light Blue #ADD8E6 ΔE 0.049
- Tea Green #CAE7B9 ΔE 0.051
- Pale Turquoise #AFEEEE ΔE 0.056
- Light Grey Green #B7E1A1 ΔE 0.056
Use #ADDEC9 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.