#FFD557
Closest named color: Light Mustard (#F7D560). oklch(88.7% 0.148 90.4), rgb(255, 213, 87).
Aa
Black text reads best on this color (14.90:1).
About this color
#FFD557 is a light, vivid yellow. In OKLCH its lightness is 89%, its chroma 0.148 and its hue 90°. Its hue sits on the warm side of the wheel. The nearest named color is Light Mustard (#F7D560), ΔE 0.013 away. Black text reads best on it, at 14.90:1.
| Hue family | Yellows |
| Lightness | light (89%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Light Mustard (#F7D560) |
| Black text | 14.90:1 |
| White text | 1.40:1 |
Values
| HEX | #FFD557 |
| RGB | rgb(255, 213, 87) |
| HSL | hsl(45, 100%, 67%) |
| OKLCH | oklch(88.7% 0.148 90.4) |
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 #FFD557 | 1.40:1 | Fails | Lc -22.4 | Dividers and decoration only |
| Black text on #FFD557 | 14.90:1 | AAA | Lc 84.1 | Fine for body text |
| #FFD557 text on white | 1.40:1 | Fails | Lc 19.6 | Dividers and decoration only |
| #FFD557 text on black | 14.90:1 | AAA | Lc -83.8 | 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
#FCF5E3
oklch(97.1% 0.025 89.2)
-
Step 100
100
#F8E9C1
oklch(93.6% 0.055 89.9)
-
Step 200
200 (this color)
#FFD557
oklch(88.7% 0.148 90.4)
-
Step 300
300
#E9BA00
oklch(80.8% 0.165 90.3)
-
Step 400
400
#C39B00
oklch(70.6% 0.144 90.2)
-
Step 500
500
#A78500
oklch(63.1% 0.129 90.6)
-
Step 600
600
#8D6F00
oklch(55.5% 0.113 89.9)
-
Step 700
700
#765D00
oklch(49% 0.1 90.4)
-
Step 800
800
#614C00
oklch(42.6% 0.087 90.4)
-
Step 900
900
#513F00
oklch(37.6% 0.077 90.4)
-
Step 950
950
#312500
oklch(27.1% 0.055 90.3)
#FFD557 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) | #EBD248 | 0.034 |
| Deuteranopia (no green cones) | #F6DE5D | 0.024 |
| Tritanopia (no blue cones) | #FFC4BA | 0.131 |
| Achromatopsia (no color) | #D9D9D9 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #FFD557
#FFD557
oklch(88.7% 0.148 90.4)
- #CCD9FF
#CCD9FF
oklch(88.8% 0.054 270.4)
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 #FFD557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Mustard #F7D560 ΔE 0.013
- Sunglow #FFD166 ΔE 0.018
- Maize #F4D054 ΔE 0.022
- Pale Gold #FDDE6C ΔE 0.023
- Sand Yellow #FCE166 ΔE 0.028
- Dull Yellow #EEDC5B ΔE 0.028
- Sandy #F1DA7A ΔE 0.032
- Yellow Tan #FFE36E ΔE 0.034
Use #FFD557 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.